#include "mkdir.h"
#include "hashmap.h"
#include "set.h"
+#include "path-util.h"
#include "path-lookup.h"
#include "strv.h"
#include "unit-name.h"
#include "install.h"
#include "conf-parser.h"
-
-typedef struct {
- char *name;
- char *path;
-
- char **aliases;
- char **wanted_by;
-} InstallInfo;
+#include "conf-files.h"
+#include "specifier.h"
+#include "install-printf.h"
+#include "special.h"
typedef struct {
Hashmap *will_install;
Hashmap *have_installed;
} InstallContext;
+#define _cleanup_install_context_done_ _cleanup_(install_context_done)
+
static int lookup_paths_init_from_scope(LookupPaths *paths, UnitFileScope scope) {
assert(paths);
assert(scope >= 0);
zero(*paths);
return lookup_paths_init(paths,
- scope == UNIT_FILE_SYSTEM ? MANAGER_SYSTEM : MANAGER_USER,
- scope == UNIT_FILE_USER);
+ scope == UNIT_FILE_SYSTEM ? SYSTEMD_SYSTEM : SYSTEMD_USER,
+ scope == UNIT_FILE_USER,
+ NULL, NULL, NULL);
}
static int get_config_path(UnitFileScope scope, bool runtime, const char *root_dir, char **ret) {
path_kill_slashes(n);
- r = set_put(*remove_symlinks_to, n);
- if (r < 0) {
- free(n);
+ r = set_consume(*remove_symlinks_to, n);
+ if (r < 0)
return r == -EEXIST ? 0 : r;
- }
return 0;
}
const char *config_path,
bool *deleted,
UnitFileChange **changes,
- unsigned *n_changes) {
+ unsigned *n_changes,
+ char** files) {
int r = 0;
- DIR *d;
- struct dirent buffer, *de;
+ _cleanup_closedir_ DIR *d = NULL;
assert(remove_symlinks_to);
assert(fd >= 0);
rewinddir(d);
for (;;) {
- int k;
+ struct dirent *de;
- k = readdir_r(d, &buffer, &de);
- if (k != 0) {
+ errno = 0;
+ de = readdir(d);
+ if (!de && errno != 0) {
r = -errno;
break;
}
if (de->d_type == DT_DIR) {
int nfd, q;
- char *p;
+ _cleanup_free_ char *p = NULL;
nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
if (nfd < 0) {
p = path_make_absolute(de->d_name, path);
if (!p) {
close_nointr_nofail(nfd);
- r = -ENOMEM;
- break;
+ return -ENOMEM;
}
/* This will close nfd, regardless whether it succeeds or not */
- q = remove_marked_symlinks_fd(remove_symlinks_to, nfd, p, config_path, deleted, changes, n_changes);
- free(p);
+ q = remove_marked_symlinks_fd(remove_symlinks_to, nfd, p, config_path, deleted, changes, n_changes, files);
if (r == 0)
r = q;
} else if (de->d_type == DT_LNK) {
- char *p, *dest;
+ _cleanup_free_ char *p = NULL, *dest = NULL;
int q;
bool found;
p = path_make_absolute(de->d_name, path);
- if (!p) {
- r = -ENOMEM;
- break;
- }
+ if (!p)
+ return -ENOMEM;
q = readlink_and_canonicalize(p, &dest);
if (q < 0) {
- free(p);
-
if (q == -ENOENT)
continue;
found =
set_get(remove_symlinks_to, dest) ||
- set_get(remove_symlinks_to, file_name_from_path(dest));
+ set_get(remove_symlinks_to, basename(dest));
+
+ if (unit_name_is_instance(p))
+ found = found && strv_contains(files, basename(p));
if (found) {
}
}
}
-
- free(p);
- free(dest);
}
}
- closedir(d);
-
return r;
}
Set *remove_symlinks_to,
const char *config_path,
UnitFileChange **changes,
- unsigned *n_changes) {
+ unsigned *n_changes,
+ char** files) {
int fd, r = 0;
bool deleted;
}
/* This takes possession of cfd and closes it */
- q = remove_marked_symlinks_fd(remove_symlinks_to, cfd, config_path, config_path, &deleted, changes, n_changes);
+ q = remove_marked_symlinks_fd(remove_symlinks_to, cfd, config_path, config_path, &deleted, changes, n_changes, files);
if (r == 0)
r = q;
} while (deleted);
bool *same_name_link) {
int r = 0;
- DIR *d;
- struct dirent buffer, *de;
+ _cleanup_closedir_ DIR *d = NULL;
assert(name);
assert(fd >= 0);
}
for (;;) {
- int k;
+ struct dirent *de;
- k = readdir_r(d, &buffer, &de);
- if (k != 0) {
- r = -errno;
- break;
- }
+ errno = 0;
+ de = readdir(d);
+ if (!de && errno != 0)
+ return -errno;
if (!de)
- break;
+ return r;
if (ignore_file(de->d_name))
continue;
if (de->d_type == DT_DIR) {
int nfd, q;
- char *p;
+ _cleanup_free_ char *p = NULL;
nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
if (nfd < 0) {
p = path_make_absolute(de->d_name, path);
if (!p) {
close_nointr_nofail(nfd);
- r = -ENOMEM;
- break;
+ return -ENOMEM;
}
/* This will close nfd, regardless whether it succeeds or not */
q = find_symlinks_fd(name, nfd, p, config_path, same_name_link);
- free(p);
- if (q > 0) {
- r = 1;
- break;
- }
+ if (q > 0)
+ return 1;
if (r == 0)
r = q;
} else if (de->d_type == DT_LNK) {
- char *p, *dest;
+ _cleanup_free_ char *p = NULL, *dest = NULL;
bool found_path, found_dest, b = false;
int q;
/* Acquire symlink name */
p = path_make_absolute(de->d_name, path);
- if (!p) {
- r = -ENOMEM;
- break;
- }
+ if (!p)
+ return -ENOMEM;
/* Acquire symlink destination */
q = readlink_and_canonicalize(p, &dest);
if (q < 0) {
- free(p);
-
if (q == -ENOENT)
continue;
if (path_is_absolute(name))
found_dest = path_equal(dest, name);
else
- found_dest = streq(file_name_from_path(dest), name);
-
- free(dest);
+ found_dest = streq(basename(dest), name);
if (found_path && found_dest) {
- char *t;
+ _cleanup_free_ char *t = NULL;
/* Filter out same name links in the main
* config path */
t = path_make_absolute(name, config_path);
- if (!t) {
- free(p);
- r = -ENOMEM;
- break;
- }
+ if (!t)
+ return -ENOMEM;
b = path_equal(t, p);
- free(t);
}
- free(p);
-
if (b)
*same_name_link = true;
- else if (found_path || found_dest) {
- r = 1;
- break;
- }
+ else if (found_path || found_dest)
+ return 1;
}
}
-
- closedir(d);
-
- return r;
}
static int find_symlinks(
assert(same_name_link);
fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
- if (fd < 0)
+ if (fd < 0) {
+ if (errno == ENOENT)
+ return 0;
return -errno;
+ }
/* This takes possession of fd and closes it */
return find_symlinks_fd(name, fd, config_path, config_path, same_name_link);
UnitFileState *state) {
int r;
- char *path;
+ _cleanup_free_ char *path2 = NULL;
bool same_name_link_runtime = false, same_name_link = false;
assert(scope >= 0);
assert(name);
if (scope == UNIT_FILE_SYSTEM || scope == UNIT_FILE_GLOBAL) {
+ _cleanup_free_ char *path = NULL;
/* First look in runtime config path */
r = get_config_path(scope, true, root_dir, &path);
return r;
r = find_symlinks(name, path, &same_name_link_runtime);
- free(path);
-
if (r < 0)
return r;
else if (r > 0) {
}
/* Then look in the normal config path */
- r = get_config_path(scope, false, root_dir, &path);
+ r = get_config_path(scope, false, root_dir, &path2);
if (r < 0)
return r;
- r = find_symlinks(name, path, &same_name_link);
- free(path);
-
+ r = find_symlinks(name, path2, &same_name_link);
if (r < 0)
return r;
else if (r > 0) {
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- char **i, *prefix;
+ char **i;
+ _cleanup_free_ char *prefix;
int r;
assert(scope >= 0);
return r;
STRV_FOREACH(i, files) {
- char *path;
+ _cleanup_free_ char *path = NULL;
- if (!unit_name_is_valid_no_type(*i, true)) {
+ if (!unit_name_is_valid(*i, TEMPLATE_VALID)) {
if (r == 0)
r = -EINVAL;
continue;
if (symlink("/dev/null", path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
- free(path);
continue;
}
if (errno == EEXIST) {
- if (null_or_empty_path(path) > 0) {
- free(path);
+ if (null_or_empty_path(path) > 0)
continue;
- }
if (force) {
unlink(path);
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
- free(path);
continue;
}
}
if (r == 0)
r = -errno;
}
-
- free(path);
}
- free(prefix);
-
return r;
}
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
UnitFileChange **changes,
unsigned *n_changes) {
STRV_FOREACH(i, files) {
char *path;
- if (!unit_name_is_valid_no_type(*i, true)) {
+ if (!unit_name_is_valid(*i, TEMPLATE_VALID)) {
if (r == 0)
r = -EINVAL;
continue;
finish:
- q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes);
+ q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
if (r == 0)
r = q;
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- char **i, *config_path = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ char **i;
+ _cleanup_free_ char *config_path = NULL;
int r, q;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- zero(paths);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
- char *path, *fn;
+ _cleanup_free_ char *path = NULL;
+ char *fn;
struct stat st;
- fn = file_name_from_path(*i);
+ fn = basename(*i);
if (!path_is_absolute(*i) ||
- !unit_name_is_valid_no_type(fn, true)) {
+ !unit_name_is_valid(fn, TEMPLATE_VALID)) {
if (r == 0)
r = -EINVAL;
continue;
}
q = in_search_path(*i, paths.unit_path);
- if (q < 0) {
- r = q;
- break;
- }
+ if (q < 0)
+ return q;
if (q > 0)
continue;
path = path_make_absolute(fn, config_path);
- if (!path) {
- r = -ENOMEM;
- break;
- }
+ if (!path)
+ return -ENOMEM;
if (symlink(*i, path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
-
- free(path);
continue;
}
if (errno == EEXIST) {
- char *dest = NULL;
+ _cleanup_free_ char *dest = NULL;
q = readlink_and_make_absolute(path, &dest);
if (q < 0 && errno != ENOENT) {
- free(path);
-
if (r == 0)
r = q;
-
continue;
}
- if (q >= 0 && path_equal(dest, *i)) {
- free(dest);
- free(path);
+ if (q >= 0 && path_equal(dest, *i))
continue;
- }
-
- free(dest);
if (force) {
unlink(path);
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
- free(path);
continue;
}
}
if (r == 0)
r = -errno;
}
-
- free(path);
}
- finish:
- lookup_paths_free(&paths);
- free(config_path);
-
return r;
}
free(i->path);
strv_free(i->aliases);
strv_free(i->wanted_by);
+ strv_free(i->required_by);
free(i);
}
assert(name || path);
if (!name)
- name = file_name_from_path(path);
+ name = basename(path);
- if (!unit_name_is_valid_no_type(name, true))
+ if (!unit_name_is_valid(name, TEMPLATE_VALID))
return -EINVAL;
if (hashmap_get(c->have_installed, name) ||
return install_info_add(c, name_or_path, NULL);
}
-static int config_parse_also(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
+static int config_parse_also(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
char *w;
size_t l;
assert(rvalue);
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char *n;
+ _cleanup_free_ char *n;
int r;
n = strndup(w, l);
return -ENOMEM;
r = install_info_add(c, n, NULL);
- if (r < 0) {
- free(n);
+ if (r < 0)
return r;
- }
-
- free(n);
}
return 0;
}
+static int config_parse_user(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ InstallInfo *i = data;
+ char* printed;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = install_full_printf(i, rvalue, &printed);
+ if (r < 0)
+ return r;
+
+ free(i->user);
+ i->user = printed;
+
+ return 0;
+}
+
static int unit_file_load(
InstallContext *c,
InstallInfo *info,
bool allow_symlink) {
const ConfigTableItem items[] = {
- { "Install", "Alias", config_parse_strv, 0, &info->aliases },
- { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by },
- { "Install", "Also", config_parse_also, 0, c },
+ { "Install", "Alias", config_parse_strv, 0, &info->aliases },
+ { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by },
+ { "Install", "RequiredBy", config_parse_strv, 0, &info->required_by },
+ { "Install", "Also", config_parse_also, 0, c },
+ { "Exec", "User", config_parse_user, 0, info },
{ NULL, NULL, NULL, 0, NULL }
};
int fd;
- FILE *f;
+ _cleanup_fclose_ FILE *f = NULL;
int r;
assert(c);
return -ENOMEM;
}
- r = config_parse(path, f, NULL, config_item_table_lookup, (void*) items, true, info);
- fclose(f);
+ r = config_parse(NULL, path, f, NULL,
+ config_item_table_lookup, (void*) items, true, true, info);
if (r < 0)
return r;
- return strv_length(info->aliases) + strv_length(info->wanted_by);
+ return
+ (int) strv_length(info->aliases) +
+ (int) strv_length(info->wanted_by) +
+ (int) strv_length(info->required_by);
}
static int unit_file_search(
if (r >= 0)
info->path = path;
- else
+ else {
+ if (r == -ENOENT && unit_name_is_instance(info->name)) {
+ /* Unit file doesn't exist, however instance enablement was requested.
+ * We will check if it is possible to load template unit file. */
+ char *template = NULL,
+ *template_path = NULL,
+ *template_dir = NULL;
+
+ template = unit_name_template(info->name);
+ if (!template) {
+ free(path);
+ return -ENOMEM;
+ }
+
+ /* We will reuse path variable since we don't need it anymore. */
+ template_dir = path;
+ *(strrchr(path, '/') + 1) = '\0';
+
+ template_path = strjoin(template_dir, template, NULL);
+ if (!template_path) {
+ free(path);
+ free(template);
+ return -ENOMEM;
+ }
+
+ /* Let's try to load template unit. */
+ r = unit_file_load(c, info, template_path, allow_symlink);
+ if (r >= 0) {
+ info->path = strdup(template_path);
+ if (!info->path) {
+ free(path);
+ free(template);
+ free(template_path);
+ return -ENOMEM;
+ }
+ }
+
+ free(template);
+ free(template_path);
+ }
free(path);
+ }
if (r != -ENOENT && r != -ELOOP)
return r;
const char *name,
bool allow_symlink) {
- InstallContext c;
+ _cleanup_install_context_done_ InstallContext c = {};
InstallInfo *i;
int r;
assert(paths);
assert(name);
- zero(c);
-
r = install_info_add_auto(&c, name);
if (r < 0)
return r;
r = unit_file_search(&c, i, paths, root_dir, allow_symlink);
if (r >= 0)
- r = strv_length(i->aliases) + strv_length(i->wanted_by);
-
- install_context_done(&c);
+ r =
+ (int) strv_length(i->aliases) +
+ (int) strv_length(i->wanted_by) +
+ (int) strv_length(i->required_by);
return r;
}
UnitFileChange **changes,
unsigned *n_changes) {
- char *dest;
+ _cleanup_free_ char *dest = NULL;
int r;
assert(old_path);
assert(new_path);
- mkdir_parents(new_path, 0755);
+ mkdir_parents_label(new_path, 0755);
if (symlink(old_path, new_path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
if (r < 0)
return r;
- if (path_equal(dest, old_path)) {
- free(dest);
+ if (path_equal(dest, old_path))
return 0;
- }
-
- free(dest);
- if (force)
+ if (!force)
return -EEXIST;
unlink(new_path);
assert(config_path);
STRV_FOREACH(s, i->aliases) {
- char *alias_path;
+ _cleanup_free_ char *alias_path = NULL, *dst = NULL;
- alias_path = path_make_absolute(*s, config_path);
+ q = install_full_printf(i, *s, &dst);
+ if (q < 0)
+ return q;
+ alias_path = path_make_absolute(dst, config_path);
if (!alias_path)
return -ENOMEM;
q = create_symlink(i->path, alias_path, force, changes, n_changes);
- free(alias_path);
-
if (r == 0)
r = q;
}
assert(config_path);
STRV_FOREACH(s, i->wanted_by) {
- char *path;
+ _cleanup_free_ char *path = NULL, *dst = NULL;
+
+ q = install_full_printf(i, *s, &dst);
+ if (q < 0)
+ return q;
- if (!unit_name_is_valid_no_type(*s, true)) {
+ if (!unit_name_is_valid(dst, TEMPLATE_VALID)) {
r = -EINVAL;
continue;
}
- if (asprintf(&path, "%s/%s.wants/%s", config_path, *s, i->name) < 0)
+ if (asprintf(&path, "%s/%s.wants/%s", config_path, dst, i->name) < 0)
+ return -ENOMEM;
+
+ q = create_symlink(i->path, path, force, changes, n_changes);
+
+ if (r == 0)
+ r = q;
+ }
+
+ return r;
+}
+
+static int install_info_symlink_requires(
+ InstallInfo *i,
+ const char *config_path,
+ bool force,
+ UnitFileChange **changes,
+ unsigned *n_changes) {
+
+ char **s;
+ int r = 0, q;
+
+ assert(i);
+ assert(config_path);
+
+ STRV_FOREACH(s, i->required_by) {
+ _cleanup_free_ char *path = NULL, *dst = NULL;
+
+ q = install_full_printf(i, *s, &dst);
+ if (q < 0)
+ return q;
+
+ if (!unit_name_is_valid(dst, TEMPLATE_VALID)) {
+ r = -EINVAL;
+ continue;
+ }
+
+ if (asprintf(&path, "%s/%s.requires/%s", config_path, dst, i->name) < 0)
return -ENOMEM;
q = create_symlink(i->path, path, force, changes, n_changes);
- free(path);
if (r == 0)
r = q;
unsigned *n_changes) {
int r;
- char *path;
+ _cleanup_free_ char *path = NULL;
assert(i);
assert(paths);
return -ENOMEM;
r = create_symlink(i->path, path, force, changes, n_changes);
- free(path);
-
return r;
}
if (r == 0)
r = q;
+ q = install_info_symlink_requires(i, config_path, force, changes, n_changes);
+ if (r == 0)
+ r = q;
+
q = install_info_symlink_link(i, paths, config_path, force, changes, n_changes);
if (r == 0)
r = q;
assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
q = unit_file_search(c, i, paths, root_dir, false);
- if (q < 0) {
+ if (q == -ENOENT) {
+ /* do nothing */
+ } else if (q < 0) {
if (r >= 0)
r = q;
} else if (r >= 0)
r += q;
- q = mark_symlink_for_removal(remove_symlinks_to, i->name);
+ if (unit_name_is_instance(i->name)) {
+ char *unit_file;
+
+ if (i->path) {
+ unit_file = basename(i->path);
+
+ if (unit_name_is_instance(unit_file))
+ /* unit file named as instance exists, thus all symlinks
+ * pointing to it will be removed */
+ q = mark_symlink_for_removal(remove_symlinks_to, i->name);
+ else
+ /* does not exist, thus we will mark for removal symlinks
+ * to template unit file */
+ q = mark_symlink_for_removal(remove_symlinks_to, unit_file);
+ } else {
+ /* If i->path is not set, it means that we didn't actually find
+ * the unit file. But we can still remove symlinks to the
+ * nonexistent template. */
+ unit_file = unit_name_template(i->name);
+ if (!unit_file)
+ return log_oom();
+
+ q = mark_symlink_for_removal(remove_symlinks_to, unit_file);
+ free(unit_file);
+ }
+ } else
+ q = mark_symlink_for_removal(remove_symlinks_to, i->name);
+
if (r >= 0 && q < 0)
r = q;
}
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- InstallContext c;
- char **i, *config_path = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext c = {};
+ char **i;
+ _cleanup_free_ char *config_path = NULL;
int r;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- zero(paths);
- zero(c);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
r = install_info_add_auto(&c, *i);
if (r < 0)
- goto finish;
+ return r;
}
/* This will return the number of symlink rules that were
supposed to be created, not the ones actually created. This is
- useful to determine whether the passed files hat any
+ useful to determine whether the passed files had any
installation data at all. */
r = install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes);
-
-finish:
- install_context_done(&c);
- lookup_paths_free(&paths);
- free(config_path);
-
return r;
}
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- InstallContext c;
- char **i, *config_path = NULL;
- Set *remove_symlinks_to = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext c = {};
+ char **i;
+ _cleanup_free_ char *config_path = NULL;
+ _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
int r, q;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- zero(paths);
- zero(c);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
r = install_info_add_auto(&c, *i);
if (r < 0)
- goto finish;
+ return r;
}
r = install_context_mark_for_removal(&c, &paths, &remove_symlinks_to, config_path, root_dir);
- q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes);
+ q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
if (r == 0)
r = q;
-finish:
- install_context_done(&c);
- lookup_paths_free(&paths);
- set_free_free(remove_symlinks_to);
- free(config_path);
-
return r;
}
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
+ int r;
- LookupPaths paths;
- InstallContext c;
- char **i, *config_path = NULL;
- Set *remove_symlinks_to = NULL;
- int r, q;
+ r = unit_file_disable(scope, runtime, root_dir, files,
+ changes, n_changes);
+ if (r < 0)
+ return r;
+
+ return unit_file_enable(scope, runtime, root_dir, files, force,
+ changes, n_changes);
+}
+
+int unit_file_set_default(
+ UnitFileScope scope,
+ const char *root_dir,
+ const char *file,
+ bool force,
+ UnitFileChange **changes,
+ unsigned *n_changes) {
+
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext c = {};
+ _cleanup_free_ char *config_path = NULL;
+ char *path;
+ int r;
+ InstallInfo *i = NULL;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(file);
- zero(paths);
- zero(c);
+ if (unit_name_to_type(file) != UNIT_TARGET)
+ return -EINVAL;
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
- r = get_config_path(scope, runtime, root_dir, &config_path);
+ r = get_config_path(scope, false, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
- STRV_FOREACH(i, files) {
- r = mark_symlink_for_removal(&remove_symlinks_to, *i);
- if (r < 0)
- goto finish;
+ r = install_info_add_auto(&c, file);
+ if (r < 0)
+ return r;
- r = install_info_add_auto(&c, *i);
- if (r < 0)
- goto finish;
- }
+ assert_se(i = hashmap_first(c.will_install));
- r = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes);
+ r = unit_file_search(&c, i, &paths, root_dir, false);
+ if (r < 0)
+ return r;
- /* Returns number of symlinks that where supposed to be installed. */
- q = install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes);
- if (r == 0)
- r = q;
+ path = strappenda(config_path, "/" SPECIAL_DEFAULT_TARGET);
-finish:
- lookup_paths_free(&paths);
- install_context_done(&c);
- set_free_free(remove_symlinks_to);
- free(config_path);
+ r = create_symlink(i->path, path, force, changes, n_changes);
+ if (r < 0)
+ return r;
- return r;
+ return 0;
+}
+
+int unit_file_get_default(
+ UnitFileScope scope,
+ const char *root_dir,
+ char **name) {
+
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ char **p;
+ int r;
+
+ assert(scope >= 0);
+ assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(name);
+
+ r = lookup_paths_init_from_scope(&paths, scope);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(p, paths.unit_path) {
+ _cleanup_free_ char *path = NULL, *tmp = NULL;
+ char *n;
+
+ if (isempty(root_dir))
+ path = strappend(*p, "/" SPECIAL_DEFAULT_TARGET);
+ else
+ path = strjoin(root_dir, "/", *p, "/" SPECIAL_DEFAULT_TARGET, NULL);
+
+ if (!path)
+ return -ENOMEM;
+
+ r = readlink_malloc(path, &tmp);
+ if (r == -ENOENT)
+ continue;
+ else if (r == -EINVAL)
+ /* not a symlink */
+ n = strdup(SPECIAL_DEFAULT_TARGET);
+ else if (r < 0)
+ return r;
+ else
+ n = strdup(basename(tmp));
+
+ if (!n)
+ return -ENOMEM;
+
+ *name = n;
+ return 0;
+ }
+
+ return -ENOENT;
}
UnitFileState unit_file_get_state(
const char *root_dir,
const char *name) {
- LookupPaths paths;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
UnitFileState state = _UNIT_FILE_STATE_INVALID;
- char **i, *path = NULL;
+ char **i;
+ _cleanup_free_ char *path = NULL;
int r;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
assert(name);
- zero(paths);
-
if (root_dir && scope != UNIT_FILE_SYSTEM)
return -EINVAL;
- if (!unit_name_is_valid_no_type(name, true))
+ if (!unit_name_is_valid(name, TEMPLATE_VALID))
return -EINVAL;
r = lookup_paths_init_from_scope(&paths, scope);
else
asprintf(&path, "%s/%s", *i, name);
- if (!path) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!path)
+ return -ENOMEM;
+ /*
+ * Search for a unit file in our default paths, to
+ * be sure, that there are no broken symlinks.
+ */
if (lstat(path, &st) < 0) {
r = -errno;
- if (errno == ENOENT)
- continue;
-
- goto finish;
- }
-
- if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode)) {
- r = -ENOENT;
- goto finish;
- }
+ if (errno != ENOENT)
+ return r;
- r = null_or_empty_path(path);
- if (r < 0 && r != -ENOENT)
- goto finish;
- else if (r > 0) {
- state = path_startswith(*i, "/run") ?
- UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
- r = 0;
- goto finish;
+ if (!unit_name_is_instance(name))
+ continue;
+ } else {
+ if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode))
+ return -ENOENT;
+
+ r = null_or_empty_path(path);
+ if (r < 0 && r != -ENOENT)
+ return r;
+ else if (r > 0) {
+ state = path_startswith(*i, "/run") ?
+ UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
+ return state;
+ }
}
r = find_symlinks_in_scope(scope, root_dir, name, &state);
- if (r < 0) {
- goto finish;
- } else if (r > 0) {
- r = 0;
- goto finish;
- }
+ if (r < 0)
+ return r;
+ else if (r > 0)
+ return state;
r = unit_file_can_install(&paths, root_dir, path, true);
- if (r < 0 && errno != -ENOENT)
- goto finish;
- else if (r > 0) {
- state = UNIT_FILE_DISABLED;
- r = 0;
- goto finish;
- } else if (r == 0) {
- state = UNIT_FILE_STATIC;
- r = 0;
- goto finish;
- }
+ if (r < 0 && errno != ENOENT)
+ return r;
+ else if (r > 0)
+ return UNIT_FILE_DISABLED;
+ else if (r == 0)
+ return UNIT_FILE_STATIC;
}
-finish:
- lookup_paths_free(&paths);
- free(path);
-
return r < 0 ? r : state;
}
int unit_file_query_preset(UnitFileScope scope, const char *name) {
- char **files, **i;
+ _cleanup_strv_free_ char **files = NULL;
+ char **i;
int r;
assert(scope >= 0);
assert(name);
if (scope == UNIT_FILE_SYSTEM)
- r = conf_files_list(&files, ".preset",
- "/etc/systemd/system.preset",
- "/usr/local/lib/systemd/system.preset",
- "/usr/lib/systemd/system.preset",
- "/lib/systemd/system.preset",
+ r = conf_files_list(&files, ".preset", NULL,
+ "/etc/systemd/system-preset",
+ "/usr/local/lib/systemd/system-preset",
+ "/usr/lib/systemd/system-preset",
+#ifdef HAVE_SPLIT_USR
+ "/lib/systemd/system-preset",
+#endif
NULL);
else if (scope == UNIT_FILE_GLOBAL)
- r = conf_files_list(&files, ".preset",
- "/etc/systemd/user.preset",
- "/usr/local/lib/systemd/user.preset",
- "/usr/lib/systemd/user.preset",
+ r = conf_files_list(&files, ".preset", NULL,
+ "/etc/systemd/user-preset",
+ "/usr/local/lib/systemd/user-preset",
+ "/usr/lib/systemd/user-preset",
NULL);
else
return 1;
return r;
STRV_FOREACH(i, files) {
- FILE *f;
+ _cleanup_fclose_ FILE *f;
f = fopen(*i, "re");
if (!f) {
if (errno == ENOENT)
continue;
- r = -errno;
- goto finish;
+ return -errno;
}
for (;;) {
if (!*l)
continue;
- if (strchr(COMMENTS, *l))
+ if (strchr(COMMENTS "\n", *l))
continue;
if (first_word(l, "enable")) {
l += 6;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
- r = 1;
- fclose(f);
- goto finish;
- }
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ return 1;
+
} else if (first_word(l, "disable")) {
l += 7;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
- r = 0;
- fclose(f);
- goto finish;
- }
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ return 0;
+
} else
log_debug("Couldn't parse line '%s'", l);
}
-
- fclose(f);
}
/* Default is "enable" */
- r = 1;
-
-finish:
- strv_free(files);
-
- return r;
+ return 1;
}
int unit_file_preset(
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- InstallContext plus, minus;
- char **i, *config_path = NULL;
- Set *remove_symlinks_to = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
+ char **i;
+ _cleanup_free_ char *config_path = NULL;
+ _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
int r, q;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- zero(paths);
- zero(plus);
- zero(minus);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
- if (!unit_name_is_valid_no_type(*i, true)) {
- r = -EINVAL;
- goto finish;
- }
+ if (!unit_name_is_valid(*i, TEMPLATE_VALID))
+ return -EINVAL;
r = unit_file_query_preset(scope, *i);
if (r < 0)
- goto finish;
+ return r;
if (r)
r = install_info_add_auto(&plus, *i);
r = install_info_add_auto(&minus, *i);
if (r < 0)
- goto finish;
+ return r;
}
- r = install_context_mark_for_removal(&minus, &paths, &remove_symlinks_to, config_path, root_dir);
+ r = install_context_mark_for_removal(&minus, &paths, &remove_symlinks_to,
+ config_path, root_dir);
- q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes);
+ q = remove_marked_symlinks(remove_symlinks_to, config_path,
+ changes, n_changes, files);
if (r == 0)
r = q;
/* Returns number of symlinks that where supposed to be installed. */
- q = install_context_apply(&plus, &paths, config_path, root_dir, force, changes, n_changes);
+ q = install_context_apply(&plus, &paths, config_path, root_dir, force,
+ changes, n_changes);
if (r == 0)
r = q;
-finish:
- lookup_paths_free(&paths);
- install_context_done(&plus);
- install_context_done(&minus);
- set_free_free(remove_symlinks_to);
- free(config_path);
-
return r;
}
+static void unitfilelist_free(UnitFileList **f) {
+ if (!*f)
+ return;
+
+ free((*f)->path);
+ free(*f);
+}
+#define _cleanup_unitfilelist_free_ _cleanup_(unitfilelist_free)
+
int unit_file_get_list(
UnitFileScope scope,
const char *root_dir,
Hashmap *h) {
- LookupPaths paths;
- char **i, *buf = NULL;
- DIR *d = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ char **i;
+ _cleanup_free_ char *buf = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
int r;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
assert(h);
- zero(paths);
-
if (root_dir && scope != UNIT_FILE_SYSTEM)
return -EINVAL;
return r;
STRV_FOREACH(i, paths.unit_path) {
- struct dirent buffer, *de;
const char *units_dir;
free(buf);
buf = NULL;
if (root_dir) {
- if (asprintf(&buf, "%s/%s", root_dir, *i) < 0) {
- r = -ENOMEM;
- goto finish;
- }
+ if (asprintf(&buf, "%s/%s", root_dir, *i) < 0)
+ return -ENOMEM;
+
units_dir = buf;
} else
units_dir = *i;
if (errno == ENOENT)
continue;
- r = -errno;
- goto finish;
+ return -errno;
}
for (;;) {
- UnitFileList *f;
+ struct dirent *de;
+ _cleanup_unitfilelist_free_ UnitFileList *f = NULL;
- r = readdir_r(d, &buffer, &de);
- if (r != 0) {
- r = -r;
- goto finish;
- }
+ errno = 0;
+ de = readdir(d);
+ if (!de && errno != 0)
+ return -errno;
if (!de)
break;
if (ignore_file(de->d_name))
continue;
- if (!unit_name_is_valid_no_type(de->d_name, true))
+ if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
continue;
if (hashmap_get(h, de->d_name))
if (r == -ENOENT)
continue;
- goto finish;
+ return r;
}
if (de->d_type != DT_LNK && de->d_type != DT_REG)
continue;
f = new0(UnitFileList, 1);
- if (!f) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!f)
+ return -ENOMEM;
f->path = path_make_absolute(de->d_name, units_dir);
- if (!f->path) {
- free(f);
- r = -ENOMEM;
- goto finish;
- }
+ if (!f->path)
+ return -ENOMEM;
r = null_or_empty_path(f->path);
- if (r < 0 && r != -ENOENT) {
- free(f->path);
- free(f);
- goto finish;
- } else if (r > 0) {
+ if (r < 0 && r != -ENOENT)
+ return r;
+ else if (r > 0) {
f->state =
path_startswith(*i, "/run") ?
UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
}
r = find_symlinks_in_scope(scope, root_dir, de->d_name, &f->state);
- if (r < 0) {
- free(f->path);
- free(f);
- goto finish;
- } else if (r > 0)
+ if (r < 0)
+ return r;
+ else if (r > 0) {
+ f->state = UNIT_FILE_ENABLED;
goto found;
+ }
r = unit_file_can_install(&paths, root_dir, f->path, true);
- if (r < 0) {
- free(f->path);
- free(f);
- goto finish;
- } else if (r > 0) {
+ if (r == -EINVAL || /* Invalid setting? */
+ r == -EBADMSG || /* Invalid format? */
+ r == -ENOENT /* Included file not found? */)
+ f->state = UNIT_FILE_INVALID;
+ else if (r < 0)
+ return r;
+ else if (r > 0)
f->state = UNIT_FILE_DISABLED;
- goto found;
- } else {
+ else
f->state = UNIT_FILE_STATIC;
- goto found;
- }
-
- free(f->path);
- free(f);
- continue;
found:
- r = hashmap_put(h, file_name_from_path(f->path), f);
- if (r < 0) {
- free(f->path);
- free(f);
- goto finish;
- }
+ r = hashmap_put(h, basename(f->path), f);
+ if (r < 0)
+ return r;
+ f = NULL; /* prevent cleanup */
}
}
-finish:
- lookup_paths_free(&paths);
- free(buf);
-
- if (d)
- closedir(d);
-
return r;
}
static const char* const unit_file_state_table[_UNIT_FILE_STATE_MAX] = {
[UNIT_FILE_ENABLED] = "enabled",
- [UNIT_FILE_ENABLED_RUNTIME] = "enabled-runtie",
+ [UNIT_FILE_ENABLED_RUNTIME] = "enabled-runtime",
[UNIT_FILE_LINKED] = "linked",
[UNIT_FILE_LINKED_RUNTIME] = "linked-runtime",
[UNIT_FILE_MASKED] = "masked",
[UNIT_FILE_MASKED_RUNTIME] = "masked-runtime",
[UNIT_FILE_STATIC] = "static",
- [UNIT_FILE_DISABLED] = "disabled"
+ [UNIT_FILE_DISABLED] = "disabled",
+ [UNIT_FILE_INVALID] = "invalid",
};
DEFINE_STRING_TABLE_LOOKUP(unit_file_state, UnitFileState);
~ianmdlvl / elogind.git / blobdiff